Life Between Patches: Incorporating Microbiome Biology Alters the Predictions of Metacommunity Models

Frontiers in Ecology and Evolution, Journal Year: 2019, Volume and Issue: 7

Published: July 18, 2019

Although most models conceptualize a metacommunity as collection of habitat patches embedded in matrix that is not hospitable to life, new applications theory host-microbiome systems have shown this assumption be flawed. Frequently the at least somewhat species normally reside patches. We modify an existing patch dynamic model incorporate possibility and expand process dispersal include moving out patch, surviving/growing matrix, into patch. With these alterations, we find it substantially harder for specialist persist system with compared inhospitable matrix. In addition, traits required successfully disperse are different from those system. The difference environment versus one could especially interest where manipulation common practice. For example, ventilation or disinfection built environments way change properties metacommunities human animal-associated microbiomes. conclude qualities can important effects on community assembly, relaxing assumptions broadens range ecology, including its use host-microbe systems.

Language: Английский

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Effects of the Temporal Scale of Observation on the Analysis of Aquatic Invertebrate Metacommunities

Frontiers in Ecology and Evolution, Journal Year: 2020, Volume and Issue: 8

Published: Oct. 22, 2020

The development of metacommunity theory has been followed by empirical tests using field data, mostly focused on the role spatial and environmental gradients structures. These studies showed an important dependence results observational scale considered (i.e. grain, sampling spacing extent). However, few works deal with time per se as a component explaining these structures, even when data from periodic are available. We suggest adding explicitly in analysis, but taking into account that temporal used could affect outcome estimated influence environment, space time, previously seen for variation. Here, we analyze both simulated metacommunities aquatic invertebrates. relative importance was primarily dependent strength processes spatially-variable selection or dispersal limitation) at all scales considered, because strong effects temporally desynchronized metacommunities. expanding study duration increased relevance, whereas increasing lag reduced it. Our reveal major analysis dynamics emphasizes perspective metacommunities, suggesting novel interesting avenues this framework.

Language: Английский

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Environment and Space Rule, but Time Also Matters for the Organization of Tropical Pond Metacommunities

Frontiers in Ecology and Evolution, Journal Year: 2020, Volume and Issue: 8

Published: Oct. 22, 2020

Metacommunities are dynamic systems, but the influence of time independently environmental change in their configuration has been rarely considered. Temporary ponds excellent ecosystem models, as they have well-defined boundaries and space; communities relatively isolated through a landscape matrix, progress leads to major changes ecological succession habitat suitability related hydroperiod dynamics. Therefore, strong temporal effects expected metacommunity structure. We surveyed 30 temporary along dry tropical region western Costa Rica Nicaragua at three different moments hydroperiod: shortly after infilling water bodies, middle just before desiccation. obtained data on 56 variables (including limnological, climatic, landscape, hydrogeomorphological conservation state), used geographic coordinates build spatial (Moran Eigenvector Maps). collected biological samples estimated specific abundance phytoplankton, zooplankton benthic invertebrates. To evaluate relative role environmental, (sequential sampling season) organization 646 species found, we variation partitioning with distance-based redundancy analyses for each group organisms. repeated selected taxonomic groups, separately season, check how variance explained by factors varied between periods. The inclusion analysis highlighted that pure part almost every group, being important or even some groups In contrast assumed low constraints areas (i.e. high stable temperatures), found effects. Passive dispersers were more influenced than active ones. also positive relationship body size organism magnitude effect, interpreted generation time. Finally, when analyzing period separately, differences environment space periods, showing snapshot surveys may not be representative highly metacommunities.

Language: Английский

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A metacommunity ecology approach to understanding microbial community assembly in developing plant seeds

Frontiers in Microbiology, Journal Year: 2022, Volume and Issue: 13

Published: July 22, 2022

Microorganisms have the potential to affect plant seed germination and seedling fitness, ultimately impacting health community dynamics. Because seed-associated microbiota are highly variable across individual plants, species, environments, it is challenging identify dominant processes that underlie assembly, composition, influence of these communities. We propose here metacommunity ecology provides a conceptually useful framework for studying developing seeds, by application principles filtering, species interactions, dispersal at multiple scales. Many studies in microbial already describe assembly pattern-based manner, such as correlating microbiome composition with genotype or tracking diversity metrics treatments limitation experiments. But we see lot opportunities examine understudied aspects microbiology, including trait-based research on mechanisms filtering micro-scale, use pollination exclusion experiments macro-scale studies, an in-depth evaluation how interact

Language: Английский

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Understanding Ecological Complexity in a Chemical Stress Context: A Reflection on Recolonization, Recovery, and Adaptation of Aquatic Populations and Communities

Environmental Toxicology and Chemistry, Journal Year: 2023, Volume and Issue: 42(9), P. 1857 - 1866

Published: May 19, 2023

Abstract Recovery, recolonization, and adaptation in a chemical stress context are processes that regenerate local populations communities as well the functions these perform. Recolonization, either by species previously present or new able to occupy niches left empty, refers metacommunity process with stressed ecosystems benefiting from dispersal of organisms other areas. A potential consequence recolonization is limited capacity adapt potentially repeating events exposure when their have been effectively occupied colonizers genetic lineages taxa present. instead, an internal occurring within ecosystems. More specifically, impact stressor on community benefits less sensitive individuals population community. Finally, phenotypic and, sometimes, changes at individual levels, allowing permanence existing without necessarily changing taxonomic composition (i.e., not replacing species). Because usually operating parallel nature, though different degrees, it seems relevant try understand relative importance for regeneration structure ecosystem functioning after exposure. In critical perspective, we employed case studies supporting our understanding underlying hope provide theoretical framework disentangle relevance three biological some recommendations experimentally compare so net effects can be used parameterize risk-assessment models inform management. Environ Toxicol Chem 2023;42:1857–1866. © 2023 The Authors. Environmental Toxicology Chemistry published Wiley Periodicals LLC behalf SETAC.

Language: Английский

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